LOS ANGELES, United States (AFP) — The NBA will bar players from wearing “ninja-style” headbands next season amid safety concerns, ESPN reported on Monday. Several players including All-Star Jimmy Butler sported the headgear last season, a band of fabric tied at the back of the head with the two ends flowing loose. However the on-court fashion trend had never been formally approved by the NBA, and now the league has moved to outlaw the accessory. […]